23250565 has 16 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 17004096.

The previous prime is 23250511. The next prime is 23250581. The reversal of 23250565 is 56505232.

It is a cyclic number.

It is not a de Polignac number, because 23250565 - 2¹⁵ = 23217797 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5284 + ... + 8626.

It is an arithmetic number, because the mean of its divisors is an integer number (1896048).

Almost surely, 2^23250565 is an apocalyptic number.

It is an amenable number.

23250565 is a deficient number, since it is larger than the sum of its proper divisors (7086203).

23250565 is a wasteful number, since it uses less digits than its factorization.

23250565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 23250565 is about 4821.8839679113. The cubic root of 23250565 is about 285.4156856011.

Adding to 23250565 its reverse (56505232), we get a palindrome (79755797).

The spelling of 23250565 in words is "twenty-three million, two hundred fifty thousand, five hundred sixty-five".